Top Front End Developer Jobs in Paris

Senior hands-on Web/Frontend Architect defining frontend standards, building a reusable component library, selecting stack and integration patterns (REST/GraphQL), ensuring scalability and performance, rapid prototyping for short projects, and mentoring Factory web developers. Requires extensive enterprise web application architecture experience and French language ability.

Lead and deliver complex frontend initiatives: revamp client-facing interfaces, build and evolve in-house design systems, reduce technical debt, and design scalable frontend architectures across product verticals.

6-month software engineering internship working on front-end or full-stack projects: build UI components, API visualizations, or end-to-end features using TypeScript/JavaScript and C#/.NET. Work in a small team with a mentor, participate in design, testing, and production roll-outs, and apply best practices at scale.

As a Senior Frontend Engineer, you'll deliver web-based AI modeling tools, optimize frontend architecture, and collaborate on complex UI components.

As a Senior Frontend Engineer, you'll design and deliver React/TypeScript components, optimize performance, and lead frontend architecture for complex web apps.

As a Senior Frontend Engineer, you'll lead the development of web apps using React and TypeScript, creating intuitive, data-driven UIs, while implementing best practices and performance optimization.

As a Senior Frontend Engineer, you'll create production-ready web components using React and TypeScript, optimize performance, and collaborate with teams to deliver complex UIs for AI applications.

Own and shape the customer-facing web app and marketing landing page using React/Next.js. Define frontend architecture, standards, accessibility, performance, and developer tooling. Build complex, data-rich UIs with designers and full-stack engineers, improve CI/CD and developer experience, and introduce AI-assisted frontend workflows.

Develop user interfaces for crypto applications, maintain existing applications, collaborate with teams, and ensure code quality.

Join the Paris engineering team to build a new UI experience. Contribute to modern frontend development, use AI tools to accelerate delivery, collaborate with an international team, and grow toward full-stack responsibilities.

As a Frontend Engineer, you will build and enhance frontend solutions for financial configurations, develop internal tools, and create customer-facing interfaces, ensuring high performance and quality in financial applications.

Build, test, and optimize responsive web applications using Next.js and React. Collaborate with designers and back-end engineers to implement high-performance, cross-browser UIs, manage state with Redux/Context API, integrate RESTful APIs, and debug front-end issues while following best practices and maintaining clean, scalable code in a remote team.

Develop user interfaces for a tactical Command and Control system, focusing on real-time data visualization, video streaming, and mission planning tools while ensuring optimal performance and user experience.

Build and maintain the front-end of a cloud-native microfinance platform using React.js and React Native. Develop features, reusable components, and performant UI across devices; translate designs into code; introduce tools and libraries; coordinate with cross-functional teams; ensure maintainability, test coverage, and robust debugging.

Design and implement developer-facing UI from Figma to production using Hotwire (Turbo + Stimulus) and ViewComponents. Own the dashboard, API playgrounds, docs, marketing site, and data visualization. Optimize performance and bundle size, maintain a coherent component system, and ship polished, production-ready front-end with tests and CI/CD.

Full-stack Developers at QuantCo build user interfaces for machine learning solutions, collaborating with data scientists and engineers to deliver actionable products.

Own end-to-end features across Java backends and a TypeScript/Angular frontend for a multi-tenant SaaS platform. Design APIs, schema and queries (MySQL/ClickHouse), build performant UIs, write unit/integration/e2e tests, deploy via containers/CI-CD, and integrate LLM/agentic workflows to help users find and fix data quality issues.

Lead frontend work on a TypeScript/Angular product, owning component architecture, state management, performance, and tests. Build data-dense UIs and Storybook-driven components, ship agentic (LLM) features, shape APIs and implement backend Java endpoints, write SQL, mentor engineers, and work directly with product, design, and customers to deliver end-to-end features.

Design and build high-performance, responsive web applications that visualize 3D/LiDAR spatial data, streaming events, and multi-tenant telemetry. Implement modular real-time chatbot and rich-text messaging components exposing AI agent steps. Optimize rendering and state handling under heavy live-data traffic. Provide technical mentorship to incoming frontend interns and drive generative UI workflows and rapid prototyping.

As a frontend engineer at Dust, you'll create engaging user interfaces, collaborate with designers, and work on backend tasks using TypeScript and Next.js. Responsibilities include leading frontend projects, ensuring code quality, and building scalable systems.

Lead front-end technical initiatives for Messaging & Ads: mentor engineers, drive architecture and coding standards, build scalable TypeScript/React web apps, optimize GraphQL data interactions, manage deployments with Kubernetes and Jenkins, conduct code reviews, and collaborate with CRM and Ads teams to improve engagement and monetization.

Join the frontend team to build and improve HarfangLab's cybersecurity platform. Integrate new features, ensure scalable readable code, drive quality improvements, propose technical enhancements, and collaborate with UX, backend, agent, AI, and DevOps teams using an agile process (TypeScript, Vue 3, Sass).

Join Cerebras Systems to optimize and develop frontend compiler infrastructure for PyTorch models on their unique wafer-scale AI platform, focusing on model representation and optimization.

The Frontend Developer will design and implement the web frontend for the SaaS platform Construct, collaborating with various teams and enhancing the user experience while adhering to Agile principles.

The Senior Software Engineer will design and maintain a Web and Mobile Design System using React and React Native, drive convergence between platforms, ensure accessibility, mentor team members, and improve developer experience through tooling and automation.